Each of the hyperlinks below open a separate section of this collection of technical discoveries and documentations about the Point 4 IRIS Operating System.
We've met our goal! We now have the original IRIS system running in a currently available emulator: the SimH NOVA.
David's site: nova-iris.net
Great help from an "old IRIS programmer"
IRIS Assembly Language (Part 2)
Converting our QIC-extracted files to SimH Tape Format
PZ and DEFS, and loading REX into memory
Modifying the 'C' in SimH to run a Point 4
Help from an original IRIS Designer, Dan Paymar
Rebuilding Boot Sector Zero with Diablo 31 Driver (DEV.33)
SimH Boot-able IRIS !!
How To Use DSP
SimH IRIS "v2" with fewer crashes
IRIS Date / Time
SimH IRIS "v3" - DSP Update
System 1 Disc Architecture & Driver
LU Index Dissection
IRIS User Privelages
Examining The Anatomy of a Logical Unit (LU)
How the Point 4 IRIS Boots
Converting LU Disc Drivers for SimH Nova
VT-100 with SimH. Hope for Starwriter?
"Sanitizing" a Point 4 IRIS system